Ventilation units with heat recuperation
DUOVENT
®
MODULAR DV/RV
General .................................................................................................... .................
1.1
Introduction...........................................................................................................
1.2
Warranty..............................................................................................................
1.3
Safety regulations................................................................................................
General .................................................................................................... .................
Technical data ........................................................................................ .................
3.1
Manufacturing label and information labels .........................................................
3.2
Air flow directions ................................................................................................
3.3
Basic dimensions .................................................................................................... 10
3.4
General technical data ............................................................................................ 13
3.5
Operation conditions ............................................................................................... 14
3.6
Declaration of conformity ........................................................................................ 15
Transport, storage, acceptance ................................................................................. 15
Installation ................................................................................................................... 17
5.1
Place of installation ................................................................................................. 17
5.1.1
Distances from building structures (service space) ........................................ 17
5.1.2
How to store the unit at the destination ........................................................... 19
5.2
Installation procedure and connection to HVAC distribution lines .......................... 19
5.2.1
Safety instructions for installation ........................................................................ 19
5.2.2
Air connection ...................................................................................................... 19
5.2.3
Connection of electric heater ............................................................................... 24
5.2.4
Water heater connection ...................................................................................... 26
5.2.5
Water cooler connection ...................................................................................... 28
5.2.6
Direct evaporator connection ............................................................................... 29
5.2.7
Connection of condensate drain ........................................................................... 29
5.2.8
Bypass and mixing flap of MODULAR DV 31 units ............................................. 31
5.2.9
Mixing flap of MODULAR RV units ...................................................................... 32
5.2.10
Inlet and outlet flap ............................................................................................. 33
5.2.11
Basic accessories .............................................................................................. 33
5.2.11.1
Condensate traps ...................................................................................... 33
5.2.11.2
Regulation unit for ESU water heater or ESUCH water cooler .................. 33
Electrical installation .................................................................................................. 35
6.1
Connection of electric heater .................................................................................. 35
6.2
Instrumentation and control system ........................................................................ 35
6.2.1
Digireg
®
digital control system ........................................................................ 35
6.2.2
Temperature control ....................................................................................... 36
6.2.3
Installation ....................................................................................................... 37
6.2.4
Technology scheme of Digireg
®
I&C systems ................................................ 37
6.2.5
Control ............................................................................................................ 39
Commissioning .......................................................................................................... 39
7.1
Installation and connection check ........................................................................... 39
7.2
Trial operation ......................................................................................................... 39
Operation and maintenance ....................................................................................... 40
8.1
Safety instructions for operation and maintenance ................................................. 40
8.2
Equipment service .................................................................................................. 40
8.2.1
Replacement and maintenance of filters ......................................................... 40
8.2.2
Replacement and maintenance of fans ........................................................... 41
8.2.3
Maintenance of recuperation plate exchanger ................................................ 43
8.2.4
Maintenance of regeneration rotation ............................................................. 43
8.2.5
Service switch ................................................................................................. 45
8.2.6
Service accesses ............................................................................................ 45
8.2.7
Periodic inspections ........................................................................................ 45
8.2.8
Spare parts ..................................................................................................... 45
Decommissioning and recycling ............................................................................... 45
7.
8.
9.
Warranty...................................................................................................................... 46
9.
